GB/T 21413.3-2023 Chinese PDF (GB/T21413.3-2023) GB 28008-2024 English versions: GB 44504-2024

English versions: GB 44504-2024

English versions: GB/T 26794-2023

English versions: GB/T 28182-2024

2-2024_Chinese: Ergonomics - Accessible design - Part 2: Method for creating colour combinations taking account of age-related changes in human colour vision (Chinese: 人类工效学 无障碍设计 第2部分：考虑颜色视觉随年龄变化的颜色组合方法)

2-2025_Chinese: Assembled spectacles - Part 2: Power-variation prescription assembled spectacles (Chinese: 配装眼镜 第2部分：渐变焦定配眼镜)

GB/T 21413.3-2023 Chinese PDF (GB/T21413.3-2023) GB 28008-2024 English versions: GB 44504-2024GB T 21413. 3 2023_Chinese: Railway applications Electric equipment for rolling stock Part 3: Electrotechnical components Rules for DC circuit breakers (Chinese: 3 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21413. 3 2023